Ostukorv on tühi
The ‘sluggish’ photon
What is sunlight? How is it created, and how much time does it take for it to arrive on Earth?
02:12
Klassid 6 – 11
mozaLink
/Veebilink
What is sunlight? How is it created, and how much time does it take for it to arrive on Earth?
02:12
Klassid 6 – 11
mozaLink
/Veebilink